643260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 1838592

約数和(自身を除く): 1195332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 151, 213, 284, 302, 355, 426, 453, 604, 710, 755, 852, 906, 1065, 1420, 1510, 1812, 2130, 2265, 3020, 4260, 4530, 9060, 10721, 21442, 32163, 42884, 53605, 64326, 107210, 128652, 160815, 214420, 321630, 643260]

約数ペア:

[(1, 643260), (2, 321630), (3, 214420), (4, 160815), (5, 128652), (6, 107210), (10, 64326), (12, 53605), (15, 42884), (20, 32163), (30, 21442), (60, 10721), (71, 9060), (142, 4530), (151, 4260), (213, 3020), (284, 2265), (302, 2130), (355, 1812), (426, 1510), (453, 1420), (604, 1065), (710, 906), (755, 852)]